diff --git a/api/internal/logic/core/getscreenchartlogic.go b/api/internal/logic/core/getscreenchartlogic.go
index 9723a03c..06085cf9 100644
--- a/api/internal/logic/core/getscreenchartlogic.go
+++ b/api/internal/logic/core/getscreenchartlogic.go
@@ -25,6 +25,9 @@ func NewGetScreenChartLogic(ctx context.Context, svcCtx *svc.ServiceContext) *Ge
 
 func (l *GetScreenChartLogic) GetScreenChart() (resp *types.ScreenChartResp, err error) {
 	resp = &types.ScreenChartResp{}
-	l.svcCtx.DbEngin.Raw("select * from screen_chart").Scan(&resp)
+	l.svcCtx.DbEngin.Raw("select cpu_avg from screen_chart").Scan(&resp.CpuAvg)
+	l.svcCtx.DbEngin.Raw("select cpu_load from screen_chart").Scan(&resp.CpuLoad)
+	l.svcCtx.DbEngin.Raw("select memory_avg from screen_chart").Scan(&resp.MemoryAvg)
+	l.svcCtx.DbEngin.Raw("select memory_load from screen_chart").Scan(&resp.MemoryLoad)
 	return
 }